Summary of Significant Accounting Policies Condensed Consolidated Statements of Cash Flows reconciliation (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Feb. 01, 2020	Nov. 02, 2019	Feb. 02, 2019
Condensed Statements of Cash Flows reconciliation [Abstract]
Cash and equivalents	$ 812,881	$ 671,267	$ 410,775	$ 723,135
Restricted Cash and Cash Equivalents	14,633	18,696	18,698	22,694
Restricted Cash and Cash Equivalents, Current	4,294	2,301	2,550	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 831,808	$ 692,264	$ 432,023	$ 745,829

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant